(1)(a) When did his department become aware of illegal sand mining at Agate Terrace in the Eastern Cape and (b) what steps (i) have been taken and (ii) will be taken by his department to stop the illegal mining practices;
(2) whether he has found that the steps taken have proven effective in combatting illegal sand mining; if not, why not; if so, what are the relevant details;
(3) (a) how many cases of illegal sand mining has his department acted upon (i) in each of the past three financial years and (ii) since 1 April 2017 and (b) what is the detailed breakdown of the number of cases in respect of each province?